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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [m68k/] [efi332/] [misc/] [interr.c] - Rev 30
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/* * Internal Error Handler * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id: interr.c,v 1.2 2001-09-27 12:00:02 chris Exp $ */ #include <rtems/system.h> #include <rtems/score/interr.h> #include <rtems/score/sysstate.h> #include <rtems/score/userext.h> /*PAGE * * _Internal_error_Occurred * * This routine will invoke the fatal error handler supplied by the user * followed by the the default one provided by the executive. The default * error handler assumes no hardware is present to help inform the user * of the problem. Halt stores the error code in a known register, * disables interrupts, and halts the CPU. If the CPU does not have a * halt instruction, it will loop to itself. * * Input parameters: * the_source - what subsystem the error originated in * is_internal - if the error was internally generated * the_error - fatal error status code * * Output parameters: * As much information as possible is stored in a CPU dependent fashion. * See the CPU dependent code for more information. * * NOTE: The the_error is not necessarily a directive status code. */ /* * Ugly hack.... _CPU_Fatal_halt() disonnects the bdm. Without this * change, the_error is only known only to the cpu :). * * From "bsp.h" which is not yet available in the arch tree during * this phase of install. jsg */ void outbyte(char); void bsp_cleanup( void ); #define RAW_PUTS(str) \ { register char *ptr = str; \ while (*ptr) outbyte(*ptr++); \ } #define RAW_PUTI(n) { \ register int i, j; \ \ RAW_PUTS("0x"); \ for (i=28;i>=0;i -= 4) { \ j = (n>>i) & 0xf; \ outbyte( (j>9 ? j-10+'a' : j+'0') ); \ } \ } void volatile _Internal_error_Occurred( Internal_errors_Source the_source, boolean is_internal, unsigned32 the_error ) { Internal_errors_What_happened.the_source = the_source; Internal_errors_What_happened.is_internal = is_internal; Internal_errors_What_happened.the_error = the_error; _User_extensions_Fatal( the_source, is_internal, the_error ); _System_state_Set( SYSTEM_STATE_FAILED ); /* try to print error message to outbyte */ RAW_PUTS("\r\nRTEMS: A fatal error has occured.\r\n"); RAW_PUTS("RTEMS: fatal error "); RAW_PUTI( the_error ); RAW_PUTS(" ("); outbyte( (char)((the_error>>24) & 0xff) ); outbyte( (char)((the_error>>16) & 0xff) ); outbyte( (char)((the_error>>8) & 0xff) ); outbyte( (char)(the_error & 0xff) ); RAW_PUTS(").\r\n"); /* configure peripherals for a safe exit */ bsp_cleanup(); _CPU_Fatal_halt( the_error ); /* will not return from this routine */ }
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